---
title: IOUSBHostCIExceptionType
framework: Kernel
role: symbol
role_heading: Type Alias
platforms: [macOS 11.0+]
path: kernel/iousbhostciexceptiontype
---

# IOUSBHostCIExceptionType

## Declaration

```occ
typedef enum IOUSBHostCIExceptionType IOUSBHostCIExceptionType;
```

## Topics

### Constants

- [IOUSBHostCIExceptionTypeCapabilitiesInvalid](kernel/iousbhostciexceptiontype/iousbhostciexceptiontypecapabilitiesinvalid.md)
- [IOUSBHostCIExceptionTypeCommandFailure](kernel/iousbhostciexceptiontype/iousbhostciexceptiontypecommandfailure.md)
- [IOUSBHostCIExceptionTypeCommandReadCollision](kernel/iousbhostciexceptiontype/iousbhostciexceptiontypecommandreadcollision.md)
- [IOUSBHostCIExceptionTypeCommandTimeout](kernel/iousbhostciexceptiontype/iousbhostciexceptiontypecommandtimeout.md)
- [IOUSBHostCIExceptionTypeCommandWriteFailed](kernel/iousbhostciexceptiontype/iousbhostciexceptiontypecommandwritefailed.md)
- [IOUSBHostCIExceptionTypeDoorbellOverflow](kernel/iousbhostciexceptiontype/iousbhostciexceptiontypedoorbelloverflow.md)
- [IOUSBHostCIExceptionTypeDoorbellReadCollision](kernel/iousbhostciexceptiontype/iousbhostciexceptiontypedoorbellreadcollision.md)
- [IOUSBHostCIExceptionTypeFrameUpdateError](kernel/iousbhostciexceptiontype/iousbhostciexceptiontypeframeupdateerror.md)
- [IOUSBHostCIExceptionTypeInterruptInvalid](kernel/iousbhostciexceptiontype/iousbhostciexceptiontypeinterruptinvalid.md)
- [IOUSBHostCIExceptionTypeInterruptOverflow](kernel/iousbhostciexceptiontype/iousbhostciexceptiontypeinterruptoverflow.md)
- [IOUSBHostCIExceptionTypeProtocolError](kernel/iousbhostciexceptiontype/iousbhostciexceptiontypeprotocolerror.md)
- [IOUSBHostCIExceptionTypeTerminated](kernel/iousbhostciexceptiontype/iousbhostciexceptiontypeterminated.md)
- [IOUSBHostCIExceptionTypeUnknown](kernel/iousbhostciexceptiontype/iousbhostciexceptiontypeunknown.md)